It all depends on what is best for you. If you prefer running inside than do that. Both will work your cardiovascular system and help you burn calories.
Running will produce faster weight loss than sit ups. Cardio is the best option for burning calories and losing weight, this is why running is better.
Treadmills are a great choice for weight loss gym equipment because it is a considered a low impact exercise. Its great for the heart and lungs and allows user to either walk or run. Treadmills are great because of the low impact on the body it allows user to remain on the equipment longer burning more calories. Treadmills are great for cardio and aerobic exercise.
As a matter of fact, swimming may be better than running because it has less impact on joints and more of the body is used for swimming than running.
Yes the normal weight limit for most treadmills is 350lb.
Treadmills have many pros and cons. Many treadmills are inexpensive and are helpful to practice running and exercising in order to stay fit and lose weight. The negative is that treadmills, unless placed outside, do not give you fresh air.
Running and swimming.
Are you running enough? If not, I recommend you start running, that will help you loose weight.
Treadmills can definitely help you lose weight but I would recommend that you do interval training.
You should use execise equipment that encourages aerobic exercise. These could be treadmills, exercise bicycles, or stairclimbers.
I'm not to sure but I think while losing weight.
You get stronger leg muscles along with slowly losing weight.
Use a better program. It's called Diet and Exercise.